In a statement, Mark Williams of Police Scotland stated, "Clearly there is a significant protection operation in place for the president and this includes restrictions to the airspace in the Turnberry area".
Friday night he will stay at the US Ambassador official residence in Regent's Park, London, which has been surrounded by a ring of steel of new security fences and road barriers to prevent a terror attack.
Earlier on Thursday, Trump said he believes London citizens "like me a lot", despite reports of multiple planned protests against him, including a protest involving a 20-foot-tall inflatable baby bearing his face that was scheduled to be flown during his visit.
Mr Trump and his wife Melania landed at Stansted on Air Force One at 1.50pm local time before a helicopter took them to the United States ambassador's residence in London. The first lady wore a bodycon beige dress, cinched with an orange skinny belt, accessorized with beige stilettos.
Top it off with the introduction of trade policies that have targeted some European industries - even though European nations are longtime friends accustomed to easy trade with the United States - and it is not surprising that Mr. Trump's itinerary will keep him out of central London on Friday, when large protests are planned.
"The president will be surrounded by splendor everywhere he goes", said Michael Bishop, director of The National Churchill Library and Center at George Washington University and executive director of The International Churchill Society.
About 150 guests are understood to have agreed to attend the dinner at Blenheim Palace, including cabinet members and business leaders. The performance included a bagpiper playing Amazing Grace.
Cheddar Gorgeous has helped organise the drag protest against Trump on Friday.
Police are bracing for massive anti-Trump protests. "Be aware of your surroundings (and) exercise caution if unexpectedly in the vicinity of large gatherings that may become violent", it added.
Mr Morgan, the forthright journalist and broadcaster, hit back and questioned why the London mayor had not been so vocal over the visit of controversial Turkish President Recep Erdogan. As of Thursday morning, more than 1,900 people had contributed to a crowdfunding campaign for the balloon, raising more than £30,000 (nearly $40,000). "They want the same thing I want", he said.
Trump's wife is also concerned about how the British people will be viewing her and her husband during the trip.
Trump confidant Chris Ruddy believes the President, who is due to fly into the United Kingdom today, will not react how people think he will to the balloon.
"There is definitely a sense that Britain needs America more because of Brexit", said Bronwen Maddox, head of the Institute for Government, a think tank.
Downing Street insisted Mrs May welcomed Mr Trump's decision to "engage" with the Russian leader. Thousands of protesters were expected to gather outside the luxurious residence later Thursday.
During his 4-day visit to Great Britain, Trump plans to focus on Iran, the economy and trade.
On Saturday, Trump supporters will rally near the U.S. embassy in Nine Elms, south London, for an event titled "Welcoming Trump to Britain Rally - Make Britain Great Again", at which a number of right-wing figures are scheduled to speak. Trump's late mother hailed from Scotland, and he owns two luxury golf courses there.